diff options
| author | Andrei.Stefanescu@microchip.com <Andrei.Stefanescu@microchip.com> | 2018-12-12 11:57:15 +0000 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-12-21 10:55:57 +0100 |
| commit | fb0b35d307b7109d245f45be780d15fb368f94c5 (patch) | |
| tree | ec7739306ea396e87723d5f6ff557d790d9d9429 /drivers/gpio/Kconfig | |
| parent | 6bd925a8b779b262b007d638171c80398cfbc217 (diff) | |
| download | linux-fb0b35d307b7109d245f45be780d15fb368f94c5.tar.bz2 | |
gpio: add driver for SAMA5D2 PIOBU pins
PIOBU pins do not lose their voltage during Backup/Self-refresh.
This patch adds a simple GPIO controller for them and a
maintainer for the driver.
This driver adds support for using the pins as GPIO
offering the possibility to read/set the voltage.
Signed-off-by: Andrei Stefanescu <andrei.stefanescu@microchip.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/Kconfig')
| -rw-r--r-- | drivers/gpio/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 06e7f9d5b84a..f47994708809 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -430,6 +430,17 @@ config GPIO_REG A 32-bit single register GPIO fixed in/out implementation. This can be used to represent any register as a set of GPIO signals. +config GPIO_SAMA5D2_PIOBU + tristate "SAMA5D2 PIOBU GPIO support" + depends on MFD_SYSCON + select GPIO_SYSCON + help + Say yes here to use the PIOBU pins as GPIOs. + + PIOBU pins on the SAMA5D2 can be used as GPIOs. + The difference from regular GPIOs is that they + maintain their value during backup/self-refresh. + config GPIO_SIOX tristate "SIOX GPIO support" depends on SIOX |